Experimental Study on Seismic Behavior of Precast Frame Columns with Vertical Reinforcement Spliced with Grouted Sleeve Lapping Connectors

Table 4

Grouting material performance parameters.

Grouting performance		Measurements value
Fluidity (mm)	Initial value	297
	After 30 minutes	288
	After 3 hours	0.22
Vertical expansion rate (%)	The difference between 24 hours and 3 hours of expansion	0.15
Maximum aggregate size (mm)		4.75